diff options
author | Elliott Hughes <enh@google.com> | 2014-05-07 22:35:26 +0000 |
---|---|---|
committer | Android Git Automerger <android-git-automerger@android.com> | 2014-05-07 22:35:26 +0000 |
commit | be6b3ad1f00ef0741b534dcc26bd46d124cd222a (patch) | |
tree | ca416df980b6c5b81a07c52cce33bc28bd0885fb | |
parent | ea2185acf3da4225bd359d6152b36e752d6da436 (diff) | |
parent | d1c807a8807dc85ce5efe7997b440b3a5dc2e4d3 (diff) | |
download | system_core-be6b3ad1f00ef0741b534dcc26bd46d124cd222a.zip system_core-be6b3ad1f00ef0741b534dcc26bd46d124cd222a.tar.gz system_core-be6b3ad1f00ef0741b534dcc26bd46d124cd222a.tar.bz2 |
am d1c807a8: am 22a289a0: am 7112e4c7: Merge "Remove the dead corkscrew header files too."
* commit 'd1c807a8807dc85ce5efe7997b440b3a5dc2e4d3':
Remove the dead corkscrew header files too.
-rw-r--r-- | include/corkscrew/backtrace.h | 115 | ||||
-rw-r--r-- | include/corkscrew/demangle.h | 42 | ||||
-rw-r--r-- | include/corkscrew/map_info.h | 74 | ||||
-rw-r--r-- | include/corkscrew/ptrace.h | 134 | ||||
-rw-r--r-- | include/corkscrew/symbol_table.h | 59 |
5 files changed, 0 insertions, 424 deletions
diff --git a/include/corkscrew/backtrace.h b/include/corkscrew/backtrace.h deleted file mode 100644 index 556ad04..0000000 --- a/include/corkscrew/backtrace.h +++ /dev/null @@ -1,115 +0,0 @@ -/* - * Copyright (C) 2011 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -/* A stack unwinder. */ - -#ifndef _CORKSCREW_BACKTRACE_H -#define _CORKSCREW_BACKTRACE_H - -#ifdef __cplusplus -extern "C" { -#endif - -#include <sys/types.h> -#include <corkscrew/ptrace.h> -#include <corkscrew/map_info.h> -#include <corkscrew/symbol_table.h> - -/* - * Describes a single frame of a backtrace. - */ -typedef struct { - uintptr_t absolute_pc; /* absolute PC offset */ - uintptr_t stack_top; /* top of stack for this frame */ - size_t stack_size; /* size of this stack frame */ -} backtrace_frame_t; - -/* - * Describes the symbols associated with a backtrace frame. - */ -typedef struct { - uintptr_t relative_pc; /* relative frame PC offset from the start of the library, - or the absolute PC if the library is unknown */ - uintptr_t relative_symbol_addr; /* relative offset of the symbol from the start of the - library or 0 if the library is unknown */ - char* map_name; /* executable or library name, or NULL if unknown */ - char* symbol_name; /* symbol name, or NULL if unknown */ - char* demangled_name; /* demangled symbol name, or NULL if unknown */ -} backtrace_symbol_t; - -/* - * Unwinds the call stack for the current thread of execution. - * Populates the backtrace array with the program counters from the call stack. - * Returns the number of frames collected, or -1 if an error occurred. - */ -ssize_t unwind_backtrace(backtrace_frame_t* backtrace, size_t ignore_depth, size_t max_depth); - -/* - * Unwinds the call stack for a thread within this process. - * Populates the backtrace array with the program counters from the call stack. - * Returns the number of frames collected, or -1 if an error occurred. - * - * The task is briefly suspended while the backtrace is being collected. - */ -ssize_t unwind_backtrace_thread(pid_t tid, backtrace_frame_t* backtrace, - size_t ignore_depth, size_t max_depth); - -/* - * Unwinds the call stack of a task within a remote process using ptrace(). - * Populates the backtrace array with the program counters from the call stack. - * Returns the number of frames collected, or -1 if an error occurred. - */ -ssize_t unwind_backtrace_ptrace(pid_t tid, const ptrace_context_t* context, - backtrace_frame_t* backtrace, size_t ignore_depth, size_t max_depth); - -/* - * Gets the symbols for each frame of a backtrace. - * The symbols array must be big enough to hold one symbol record per frame. - * The symbols must later be freed using free_backtrace_symbols. - */ -void get_backtrace_symbols(const backtrace_frame_t* backtrace, size_t frames, - backtrace_symbol_t* backtrace_symbols); - -/* - * Gets the symbols for each frame of a backtrace from a remote process. - * The symbols array must be big enough to hold one symbol record per frame. - * The symbols must later be freed using free_backtrace_symbols. - */ -void get_backtrace_symbols_ptrace(const ptrace_context_t* context, - const backtrace_frame_t* backtrace, size_t frames, - backtrace_symbol_t* backtrace_symbols); - -/* - * Frees the storage associated with backtrace symbols. - */ -void free_backtrace_symbols(backtrace_symbol_t* backtrace_symbols, size_t frames); - -enum { - // A hint for how big to make the line buffer for format_backtrace_line - MAX_BACKTRACE_LINE_LENGTH = 800, -}; - -/** - * Formats a line from a backtrace as a zero-terminated string into the specified buffer. - */ -void format_backtrace_line(unsigned frameNumber, const backtrace_frame_t* frame, - const backtrace_symbol_t* symbol, char* buffer, size_t bufferSize); - -#ifdef __cplusplus -} -#endif - -#endif // _CORKSCREW_BACKTRACE_H diff --git a/include/corkscrew/demangle.h b/include/corkscrew/demangle.h deleted file mode 100644 index 04b0225..0000000 --- a/include/corkscrew/demangle.h +++ /dev/null @@ -1,42 +0,0 @@ -/* - * Copyright (C) 2011 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -/* C++ symbol name demangling. */ - -#ifndef _CORKSCREW_DEMANGLE_H -#define _CORKSCREW_DEMANGLE_H - -#include <sys/types.h> -#include <stdbool.h> - -#ifdef __cplusplus -extern "C" { -#endif - -/* - * Demangles a C++ symbol name. - * If name is NULL or if the name cannot be demangled, returns NULL. - * Otherwise, returns a newly allocated string that contains the demangled name. - * - * The caller must free the returned string using free(). - */ -char* demangle_symbol_name(const char* name); - -#ifdef __cplusplus -} -#endif - -#endif // _CORKSCREW_DEMANGLE_H diff --git a/include/corkscrew/map_info.h b/include/corkscrew/map_info.h deleted file mode 100644 index 14bfad6..0000000 --- a/include/corkscrew/map_info.h +++ /dev/null @@ -1,74 +0,0 @@ -/* - * Copyright (C) 2011 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -/* Process memory map. */ - -#ifndef _CORKSCREW_MAP_INFO_H -#define _CORKSCREW_MAP_INFO_H - -#include <sys/types.h> -#include <stdbool.h> -#include <stdint.h> - -#ifdef __cplusplus -extern "C" { -#endif - -typedef struct map_info { - struct map_info* next; - uintptr_t start; - uintptr_t end; - bool is_readable; - bool is_writable; - bool is_executable; - void* data; // arbitrary data associated with the map by the user, initially NULL - char name[]; -} map_info_t; - -/* Loads memory map from /proc/<tid>/maps. */ -map_info_t* load_map_info_list(pid_t tid); - -/* Frees memory map. */ -void free_map_info_list(map_info_t* milist); - -/* Finds the memory map that contains the specified address. */ -const map_info_t* find_map_info(const map_info_t* milist, uintptr_t addr); - -/* Returns true if the addr is in a readable map. */ -bool is_readable_map(const map_info_t* milist, uintptr_t addr); -/* Returns true if the addr is in a writable map. */ -bool is_writable_map(const map_info_t* milist, uintptr_t addr); -/* Returns true if the addr is in an executable map. */ -bool is_executable_map(const map_info_t* milist, uintptr_t addr); - -/* Acquires a reference to the memory map for this process. - * The result is cached and refreshed automatically. - * Make sure to release the map info when done. */ -map_info_t* acquire_my_map_info_list(); - -/* Releases a reference to the map info for this process that was - * previous acquired using acquire_my_map_info_list(). */ -void release_my_map_info_list(map_info_t* milist); - -/* Flushes the cached memory map so the next call to - * acquire_my_map_info_list() gets fresh data. */ -void flush_my_map_info_list(); - -#ifdef __cplusplus -} -#endif - -#endif // _CORKSCREW_MAP_INFO_H diff --git a/include/corkscrew/ptrace.h b/include/corkscrew/ptrace.h deleted file mode 100644 index 76276d8..0000000 --- a/include/corkscrew/ptrace.h +++ /dev/null @@ -1,134 +0,0 @@ -/* - * Copyright (C) 2011 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -/* Useful ptrace() utility functions. */ - -#ifndef _CORKSCREW_PTRACE_H -#define _CORKSCREW_PTRACE_H - -#include <corkscrew/map_info.h> -#include <corkscrew/symbol_table.h> - -#include <sys/types.h> -#include <stdbool.h> -#include <stdint.h> - -#ifdef __cplusplus -extern "C" { -#endif - -/* Stores information about a process that is used for several different - * ptrace() based operations. */ -typedef struct { - map_info_t* map_info_list; -} ptrace_context_t; - -/* Describes how to access memory from a process. */ -typedef struct { - pid_t tid; - const map_info_t* map_info_list; -} memory_t; - -#if __i386__ -/* ptrace() register context. */ -typedef struct pt_regs_x86 { - uint32_t ebx; - uint32_t ecx; - uint32_t edx; - uint32_t esi; - uint32_t edi; - uint32_t ebp; - uint32_t eax; - uint32_t xds; - uint32_t xes; - uint32_t xfs; - uint32_t xgs; - uint32_t orig_eax; - uint32_t eip; - uint32_t xcs; - uint32_t eflags; - uint32_t esp; - uint32_t xss; -} pt_regs_x86_t; -#endif - -#if __mips__ -/* ptrace() GET_REGS context. */ -typedef struct pt_regs_mips { - uint64_t regs[32]; - uint64_t lo; - uint64_t hi; - uint64_t cp0_epc; - uint64_t cp0_badvaddr; - uint64_t cp0_status; - uint64_t cp0_cause; -} pt_regs_mips_t; -#endif - -/* - * Initializes a memory structure for accessing memory from this process. - */ -void init_memory(memory_t* memory, const map_info_t* map_info_list); - -/* - * Initializes a memory structure for accessing memory from another process - * using ptrace(). - */ -void init_memory_ptrace(memory_t* memory, pid_t tid); - -/* - * Reads a word of memory safely. - * If the memory is local, ensures that the address is readable before dereferencing it. - * Returns false and a value of 0xffffffff if the word could not be read. - */ -bool try_get_word(const memory_t* memory, uintptr_t ptr, uint32_t* out_value); - -/* - * Reads a word of memory safely using ptrace(). - * Returns false and a value of 0xffffffff if the word could not be read. - */ -bool try_get_word_ptrace(pid_t tid, uintptr_t ptr, uint32_t* out_value); - -/* - * Loads information needed for examining a remote process using ptrace(). - * The caller must already have successfully attached to the process - * using ptrace(). - * - * The context can be used for any threads belonging to that process - * assuming ptrace() is attached to them before performing the actual - * unwinding. The context can continue to be used to decode backtraces - * even after ptrace() has been detached from the process. - */ -ptrace_context_t* load_ptrace_context(pid_t pid); - -/* - * Frees a ptrace context. - */ -void free_ptrace_context(ptrace_context_t* context); - -/* - * Finds a symbol using ptrace. - * Returns the containing map and information about the symbol, or - * NULL if one or the other is not available. - */ -void find_symbol_ptrace(const ptrace_context_t* context, - uintptr_t addr, const map_info_t** out_map_info, const symbol_t** out_symbol); - -#ifdef __cplusplus -} -#endif - -#endif // _CORKSCREW_PTRACE_H diff --git a/include/corkscrew/symbol_table.h b/include/corkscrew/symbol_table.h deleted file mode 100644 index 4998750..0000000 --- a/include/corkscrew/symbol_table.h +++ /dev/null @@ -1,59 +0,0 @@ -/* - * Copyright (C) 2011 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#ifndef _CORKSCREW_SYMBOL_TABLE_H -#define _CORKSCREW_SYMBOL_TABLE_H - -#include <stdint.h> -#include <sys/types.h> - -#ifdef __cplusplus -extern "C" { -#endif - -typedef struct { - uintptr_t start; - uintptr_t end; - char* name; -} symbol_t; - -typedef struct { - symbol_t* symbols; - size_t num_symbols; -} symbol_table_t; - -/* - * Loads a symbol table from a given file. - * Returns NULL on error. - */ -symbol_table_t* load_symbol_table(const char* filename); - -/* - * Frees a symbol table. - */ -void free_symbol_table(symbol_table_t* table); - -/* - * Finds a symbol associated with an address in the symbol table. - * Returns NULL if not found. - */ -const symbol_t* find_symbol(const symbol_table_t* table, uintptr_t addr); - -#ifdef __cplusplus -} -#endif - -#endif // _CORKSCREW_SYMBOL_TABLE_H |